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Cheap flights from Louisville to Sydney from $714

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Sydney departing on 6/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Louisville to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air New Zealand Logo
3:25 pm - 7:00 am
SDF
-
SYD
25h 35m
2 stops
Air New Zealand Logo
9:30 am - 8:01 pm
SYD
-
SDF
24h 31m
2 stops
$1,295Air New Zealand
Tue, Jun 9 - Wed, Jun 17
United Airlines Logo
8:00 am - 7:00 am
SDF
-
SYD
33h 00m
3 stops
United Airlines Logo
9:30 am - 7:00 pm
SYD
-
SDF
23h 30m
2 stops
$1,296United Airlines
Tue, Jun 9 - Wed, Jun 17
Air New Zealand Logo
8:00 am - 6:55 am
SDF
-
SYD
32h 55m
1 stop
Air New Zealand Logo
9:30 am - 7:00 pm
SYD
-
SDF
23h 30m
2 stops
$1,297Air New Zealand
Tue, Jun 9 - Wed, Jun 17
Air New Zealand Logo
8:00 am - 6:55 am
SDF
-
SYD
32h 55m
1 stop
Air New Zealand Logo
9:30 am - 7:00 pm
SYD
-
SDF
23h 30m
2 stops
$1,298Air New Zealand
Tue, Jun 9 - Wed, Jun 17
Air New Zealand Logo
8:00 am - 6:55 am
SDF
-
SYD
32h 55m
2 stops
Air New Zealand Logo
9:30 am - 10:15 pm
SYD
-
SDF
26h 45m
2 stops
$1,344Air New Zealand
Wed, Aug 26 - Sat, Sep 5
Air New Zealand Logo
1:50 pm - 7:00 am
SDF
-
SYD
27h 10m
2 stops
Air New Zealand Logo
9:30 am - 8:36 pm
SYD
-
SDF
25h 06m
2 stops
$1,391Air New Zealand
Thu, Aug 27 - Thu, Sep 3
United Airlines Logo
8:00 am - 6:55 am
SDF
-
SYD
32h 55m
2 stops
United Airlines Logo
10:20 am - 7:59 pm
SYD
-
SDF
23h 39m
2 stops
$1,403United Airlines
Wed, Aug 26 - Sat, Sep 5
Air New Zealand Logo
8:00 am - 6:55 am
SDF
-
SYD
32h 55m
2 stops
Air New Zealand Logo
9:30 am - 8:36 pm
SYD
-
SDF
25h 06m
2 stops
$1,404Air New Zealand
Wed, Aug 26 - Sat, Sep 5
United Airlines Logo
7:15 am - 6:55 am
SDF
-
SYD
33h 40m
2 stops
United Airlines Logo
9:30 am - 10:15 pm
SYD
-
SDF
26h 45m
2 stops
$1,476United Airlines
Tue, Jul 14 - Tue, Jul 21
United Airlines Logo
9:30 am - 6:55 am
SDF
-
SYD
31h 25m
2 stops
United Airlines Logo
10:20 am - 10:15 pm
SYD
-
SDF
25h 55m
2 stops
$1,496United Airlines
Tue, Jul 14 - Tue, Jul 21

Qantas Airways flights from Louisville to Sydney

Our best Qantas Airways deals on Louisville to Sydney flight tickets
Qantas Airways
Jun 6
SDF1:21 pmLouisville Intl
27h 34m
1 stop
SYD6:55 amSydney Kingsford Smith
Jun 13
SYD9:10 amSydney Kingsford Smith
23h 50m
2 stops
SDF7:00 pmLouisville Intl
$1,847
Qantas Airways
Sep 13
SDF7:35 pmLouisville Intl
21h 20m
1 stop
SYD6:55 amSydney Kingsford Smith
Sep 23
SYD12:00 pmSydney Kingsford Smith
23h 43m
1 stop
SDF9:43 pmLouisville Intl
$1,905
Qantas Airways
Sep 13
SDF7:35 pmLouisville Intl
21h 20m
1 stop
SYD6:55 amSydney Kingsford Smith
Sep 23
SYD9:10 amSydney Kingsford Smith
22h 09m
2 stops
SDF5:19 pmLouisville Intl
$1,909

United Airlines flights from Louisville to Sydney

Our best United Airlines deals on Louisville to Sydney flight tickets
United Airlines
Jun 9
SDF8:00 amLouisville Intl
33h 00m
3 stops
SYD7:00 amSydney Kingsford Smith
Jun 17
SYD9:30 amSydney Kingsford Smith
23h 30m
2 stops
SDF7:00 pmLouisville Intl
$1,296
United Airlines
Jun 6
SDF8:00 amLouisville Intl
33h 00m
3 stops
SYD7:00 amSydney Kingsford Smith
Jun 13
SYD9:30 amSydney Kingsford Smith
23h 30m
2 stops
SDF7:00 pmLouisville Intl
$1,392
United Airlines
Aug 26
SDF8:00 amLouisville Intl
32h 55m
2 stops
SYD6:55 amSydney Kingsford Smith
Sep 5
SYD10:20 amSydney Kingsford Smith
23h 39m
2 stops
SDF7:59 pmLouisville Intl
$1,403

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 2, 2026.
Use the filters below to find and compare flights from Louisville to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 6/9

3:25 pm-7:00 am

2 stops25h 35m

Sydney Kingsford Smith

Wed 6/17

9:30 am-8:01 pm

2 stops24h 31m

$1,295

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 6/9

8:00 am-7:00 am

3 stops33h 00m

Sydney Kingsford Smith

Wed 6/17

9:30 am-7:00 pm

2 stops23h 30m

$1,296

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 6/9

8:00 am-6:55 am

1 stop32h 55m

Sydney Kingsford Smith

Wed 6/17

9:30 am-7:00 pm

2 stops23h 30m

$1,297

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 6/9

8:00 am-6:55 am

1 stop32h 55m

Sydney Kingsford Smith

Wed 6/17

9:30 am-7:00 pm

2 stops23h 30m

$1,298

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 8/26

8:00 am-6:55 am

2 stops32h 55m

Sydney Kingsford Smith

Sat 9/5

9:30 am-10:15 pm

2 stops26h 45m

$1,344

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 8/27

1:50 pm-7:00 am

2 stops27h 10m

Sydney Kingsford Smith

Thu 9/3

9:30 am-8:36 pm

2 stops25h 06m

$1,391

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 8/26

8:00 am-6:55 am

2 stops32h 55m

Sydney Kingsford Smith

Sat 9/5

10:20 am-7:59 pm

2 stops23h 39m

$1,403

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 8/26

8:00 am-6:55 am

2 stops32h 55m

Sydney Kingsford Smith

Sat 9/5

9:30 am-8:36 pm

2 stops25h 06m

$1,404

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 7/14

7:15 am-6:55 am

2 stops33h 40m

Sydney Kingsford Smith

Tue 7/21

9:30 am-10:15 pm

2 stops26h 45m

$1,476

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 7/14

9:30 am-6:55 am

2 stops31h 25m

Sydney Kingsford Smith

Tue 7/21

10:20 am-10:15 pm

2 stops25h 55m

$1,496

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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See travel insights to Sydney from

How to get the cheapest flight ticket from Louisville to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Louisville and Sydney?

What is the cheapest month to fly to Sydney?

In general, March is the cheapest month to fly from Louisville to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you are unable to visit Sydney during the month of March, then departing from Louisville during the month August is also very affordable. Most momondo users find prices during this month for around $1,167.

Can stopping save me money on Louisville to Sydney flights?

You could potentially save up to 21% on your flight if you consider stops on a Louisville to Sydney flight.

When to book flights from Louisville to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Louisville to Sydney (SDF to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Sydney

Fastest flight time

23h 10m

Direct flights

None
The fastest flight from Louisville to Sydney takes 23h 10m
There are no direct flights from Louisville to Sydney. There are no popular flight routes from Louisville to Sydney.
Search flight deals

Frequently asked questions about flying from Louisville to Sydney

  • How far is Louisville Intl to Sydney Kingsford Smith by plane?

    A flight from Louisville Intl to Sydney Kingsford Smith will travel around 9284.6 mi. A reasonable flight in good conditions will take 23h 10m.

  • When did momondo last update prices for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Louisville Intl Airport to Sydney Kingsford Smith Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Louisville to Sydney?

Best airlines flying from Louisville to Sydney

Compare and see reviews for airlines that fly from Louisville to Sydney with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $662Free CancellationRating
7.9
8,397 reviews
Search Delta flights
United AirlinesPriceFrom $973Free CancellationRating
7.4
9,778 reviews
Search United Airlines flights

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Parramatta
Katoomba
Penrith
Wollongong
Leura
Randwick
Lithgow
Coogee
Manly
Cronulla
Terrigal
Charlestown
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Sydney?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Louisville to Sydney for you.

Can I find flights from Louisville to Sydney with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Louisville to Sydney flights to just show those with flexible booking policies.

How can momondo help me find flights from Louisville to Sydney?

momondo provides multiple filters to help you find the best flight to Sydney from Louisville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Louisville to Sydney right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Louisville to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.

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